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authorThomas Abraham <thomas.abraham@linaro.org>2013-03-06 17:06:16 +0530
committerChris Ball <cjb@laptop.org>2013-03-22 12:33:21 -0400
commite19499ae10903807acbaa07a28d4b56d508ac339 (patch)
tree9d8014e641e9795803437c81582483e586424676 /Documentation/devicetree/bindings/mmc
parent4a2d8ecce0be8240618e133077724abb5b36c1ef (diff)
mmc: sdhci-s3c: let device core setup the default pin configuration
With device core now able to setup the default pin configuration, the call to devm_pinctrl_get_select_default can be removed. And the pin configuration code based on the deprecated Samsung specific gpio bindings is also removed. Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
-rw-r--r--Documentation/devicetree/bindings/mmc/samsung-sdhci.txt35
1 files changed, 4 insertions, 31 deletions
diff --git a/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt b/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt
index 3b3a1ee055ff..328e990d2546 100644
--- a/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt
@@ -5,13 +5,6 @@ MMC, SD and eMMC storage mediums. This file documents differences between the
core mmc properties described by mmc.txt and the properties used by the
Samsung implmentation of the SDHCI controller.
-Note: The mmc core bindings documentation states that if none of the core
-card-detect bindings are used, then the standard sdhci card detect mechanism
-is used. The Samsung's SDHCI controller bindings extends this as listed below.
-
-[A] The property "samsung,cd-pinmux-gpio" can be used as stated in the
- "Optional Board Specific Properties" section below.
-
Required SoC Specific Properties:
- compatible: should be one of the following
- "samsung,s3c6410-sdhci": For controllers compatible with s3c6410 sdhci
@@ -20,18 +13,8 @@ Required SoC Specific Properties:
controller.
Required Board Specific Properties:
-- Samsung GPIO variant (will be completely replaced by pinctrl):
- - gpios: Should specify the gpios used for clock, command and data lines. The
- gpio specifier format depends on the gpio controller.
-- Pinctrl variant (preferred if available):
- - pinctrl-0: Should specify pin control groups used for this controller.
- - pinctrl-names: Should contain only one value - "default".
-
-Optional Board Specific Properties:
-- samsung,cd-pinmux-gpio: Specifies the card detect line that is routed
- through a pinmux to the card-detect pin of the card slot. This property
- should be used only if none of the mmc core card-detect properties are
- used. Only for Samsung GPIO variant.
+- pinctrl-0: Should specify pin control groups used for this controller.
+- pinctrl-names: Should contain only one value - "default".
Example:
sdhci@12530000 {
@@ -39,19 +22,9 @@ Example:
reg = <0x12530000 0x100>;
interrupts = <0 75 0>;
bus-width = <4>;
- cd-gpios = <&gpk2 2 2 3 3>;
-
- /* Samsung GPIO variant */
- gpios = <&gpk2 0 2 0 3>, /* clock line */
- <&gpk2 1 2 0 3>, /* command line */
- <&gpk2 3 2 3 3>, /* data line 0 */
- <&gpk2 4 2 3 3>, /* data line 1 */
- <&gpk2 5 2 3 3>, /* data line 2 */
- <&gpk2 6 2 3 3>; /* data line 3 */
-
- /* Pinctrl variant */
- pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4>;
+ cd-gpios = <&gpk2 2 0>;
pinctrl-names = "default";
+ pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4>;
};
Note: This example shows both SoC specific and board specific properties